Computer Science, asked by joyishah, 7 hours ago

please solve all the questions plz

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Answers

Answered by vaishnavikanoujia18

3

Answer:

I know this first make me brainliest

Answered by adarshpn1209

0

Answer:

a. Abacus

Explanation:

Abacus consists of beads. It was the first calculating instrument invented by humans.

The types of abacus depends on the place where the have been made,

A few examples are,

Chinese Abacus

Japanese Abacus

Russian Abacus

Japanese Abacus is mostly used

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